Entangled states cannot be classically simulated in generalized Bell experiments with quantum inputs

Denis Rosset, Cyril Branciard, Nicolas Gisin, Yeong Cherng Liang

研究成果: Article同行評審

17 引文 斯高帕斯(Scopus)

摘要

Simulation tasks are insightful tools to compare information-theoretic resources. Considering a generalization of usual Bell scenarios where external quantum inputs are provided to the parties, we show that any entangled quantum state exhibits correlations that cannot be simulated using only shared randomness and classical communication, even when the amount and rounds of classical communication involved are unrestricted. We indeed construct explicit Bell-like inequalities that are necessarily satisfied by such classical resources but nevertheless violated by correlations obtainable from entangled quantum states, when measured a single copy at a time.

原文English
文章編號053025
期刊New Journal of Physics
15
DOIs
出版狀態Published - 2013 五月

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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